Promotes blood circulation and removes blood stasis. It is used for the syndrome of congestion and obstruction of meridians during the recovery period of ischemic stroke. Symptoms include hemiplegia, crooked mouth and tongue, numbness on one side of the body, difficulty speaking, dizziness, and strong neck pain. Those with atherosclerotic thrombotic cerebral occlusion and lacunar cerebral occlusion have the above syndromes.